LAPD officers were out in force in downtown during Sunday's Grammy Awards as police search for Christopher Dorner

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The Grammy Awards are getting underway amid tight security and a statewide dragnet to find a suspected cop killer on an alleged revenge mission.

Los Angeles Police said the homes of 50 officers are being guarded Sunday night and the family members of 50 LAPD officers are under police protection.

Big Bear Manhunt Will Resume "If Necessary": Sheriff

After three full days of searching, there was still no sign of Christopher Dorner in the mountains near Big Bear. San Bernardino County Sheriff s Department officials said they would continue the search on Sunday "if necessary." Jacob Rascon reports from Big Bear for the NBc4 News at 11 p.m. on Feb. 9, 2013. (Published Monday, Feb 11, 2013)

Police are searching for Christopher Dorner in connection with killing three people -- including a police officer -- and wounding two.

Police from Las Vegas to the Mexican border are actively searching for the suspected cop killer.